CVE-2026-44075— Missing break in DSI OpenSession
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-44075
Vulnerability Information
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Vulnerability Title
Missing break in DSI OpenSession
Source: NVD (National Vulnerability Database)
Vulnerability Description
A missing break statement in DSI OpenSession processing in Netatalk 1.5.0 through 4.4.2 causes a DSIOPT_ATTNQUANT switch case to fall through into DSIOPT_SERVQUANT, resulting in unintended session option handling that may allow a remote attacker to cause a minor service disruption via crafted DSI session options.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Switch语句中省略Break语句
Source: NVD (National Vulnerability Database)
Vulnerability Title
Netatalk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netatalk是Netatalk开源的一款软件，为 Classic Mac OS 和 macOS 在 Unix-like OS 上提供 AFP 文件服务器功能。 Netatalk 1.5.0版本至4.4.2版本存在安全漏洞，该漏洞源于DSI OpenSession处理中缺少break语句，导致DSIOPT_ATTNQUANT开关分支落入DSIOPT_SERVQUANT，造成意外会话选项处理，可能允许远程攻击者通过特制DSI会话选项造成轻微服务中断。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-44075
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Vendor Advisories for CVE-2026-44075 (1)
- Netatalk - Netatalk Security Advisoryvendor-advisory
Same Patch Batch · Netatalk · 2026-05-21 · 33 CVEs total
| CVE-2026-44050 | 9.9 CRITICAL | Heap buffer overflow in CNID daemon comm_rcv() |
| CVE-2026-44047 | 8.8 HIGH | SQL injection in MySQL CNID backend |
| CVE-2026-44048 | 8.8 HIGH | Stack buffer overflow via UCS-2 type confusion in convert_charset() |
| CVE-2026-44051 | 8.1 HIGH | Arbitrary file read via attacker-controlled symlink creation |
| CVE-2026-44068 | 7.6 HIGH | EA path traversal via incomplete sanitization |
| CVE-2026-44049 | 7.5 HIGH | Out-of-bounds write in convert_charset() null termination |
| CVE-2026-44055 | 7.5 HIGH | Bitwise OR logic bug enables shell injection |
| CVE-2026-44052 | 7.5 HIGH | LDAP simple-bind password exposure in log output |
| CVE-2026-44060 | 7.5 HIGH | Integer underflow in dsi_writeinit() leads to denial of service |
| CVE-2026-44062 | 7.5 HIGH | Missing o_len bounds check in pull_charset_flags() |
| CVE-2026-44053 | 7.4 HIGH | Weak cryptography in DHCAST128 UAM |
| CVE-2026-44066 | 7.1 HIGH | Heap out-of-bounds reads in Spotlight RPC unmarshalling |
| CVE-2026-44064 | 7.1 HIGH | ASP session ID out-of-bounds access |
| CVE-2026-44076 | 6.7 MEDIUM | Shell injection via volume path |
| CVE-2026-44054 | 6.5 MEDIUM | Predictable afpd session token |
| CVE-2026-44058 | 6.4 MEDIUM | Authentication bypass via admin auth user |
| CVE-2026-44056 | 6.0 MEDIUM | Stack buffer overflow in desktop.c |
| CVE-2026-44061 | 5.9 MEDIUM | DES-ECB auth with timing side channel |
| CVE-2026-44063 | 4.2 MEDIUM | LDAP filter injection |
| CVE-2026-44073 | 4.0 MEDIUM | seteuid failure ignored in auth modules |
Showing top 20 of 33 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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